Ben Platt, who currently stars in the Broadway production of The Book of Mormon, will join Academy Award winners Meryl Streep and Kevin Kline in the upcoming film "Ricki and the Flash," according to Deadline.com.

Platt, who also stars in "Pitch Perfect 2," will portray a local bartender who worships Ricki (to be played by Streep). Jonathan Demme directs the film that has a screenplay by Diablo Cody.

Platt will also return to nightlife venue 54 Below Aug. 18 for an evening of pop, R&B and musical theatre songs.

The script features Streep as a woman who, seeking fame and fortune as a rock star, abandoned her family. Decades later, she decides to be a mother again to her estranged children, one of whom is going through a divorce. Marc Platt produces the film that also stars Rick Springsteen.